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Patent | Define Patent at Dictionary.com
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日期:2026-04-20
1376, "open letter or document from some authority," shortened form of Anglo-Fr. lettre patent (also in M.L. (litteræ) patentes), lit. "open letter" (1292), from O.Fr. patente (adj.), from L. patentum (nom. patens) "open, lying open," prp. of patere "lie...看更多





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